$OpenBSD: patch-pgpsign_c,v 1.1 2000/06/05 00:04:03 espie Exp $
--- pgpsign.c.orig	Thu Oct  2 08:02:19 1997
+++ pgpsign.c	Mon Jun  5 01:29:49 2000
@@ -46,6 +46,7 @@
 #include <stdlib.h>
 #include <signal.h>
 #include <string.h>
+#include <errno.h>
 #include <pgpsendmail.h>
 #include <version.h>
 
